Immense glaciers once covered the entire Earth, reaching even the equator, geologists have confirmed. The discovery that this also applied in the center of continents, where conditions would have ...

There are 13 countries that sit on Earth's equator. Can you get them all in 5 minutes? If so, ... Take our quiz below to find out. The continent or region the country is located in is provided.

A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period.